Mini Pure Copper Steam Engine Model Toy Creative Gift Set $489.99 View Product Categories: Hobby, Stirlingkit Description Description Mini Pure Copper Steam Engine Model Toy Creative Gift Set with Boiler Related products Hobby, StirlingkitMini Horizontal Type External Combustion Engine Model $29.99 Hobby, StirlingkitHot Echo Type Single Cylinder Engine Model Quartz Heating Tube Engine Kit $59.99 Hobby, StirlingkitLow Temperature Engine Kit Big Flywheel Engine Model $72.71 Hobby, StirlingkitEngine Model Windmill Fan Cabin Shape Creative External Combustion Engine Kit $436.99